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Gnostic Christian mysticism

...held that there were three types of people—“spiritual,” “psychic,” and “material”—and that only the first two can be saved. The
Pistis Sophia (3rd century) is preoccupied with the question of who finally will be saved. Those who are saved must renounce the world completely and follow the pure ethic of love and...

patristic literature

...orthodox critics) were a handful of treatises in Coptic contained in three codices (manuscript books) that were discovered in the 18th and late 19th centuries. The most interesting of these are
Pistis Sophia and the
Apocryphon of John, the former consisting of conversations of the risen Jesus with his disciples about the fall and redemption of the aeon (emanation from the...